How To Fix Big Hole In Concrete Wall

Clean the hole and surrounding area with a wire brush.

How to fix big hole in concrete wall.

Clean out as much debris as. Scrape out the hole with a mason s chisel while dislodging loose or crumbling block. If this is just a wall above ground on both sides you can mix up some concrete patch and fill the hole back in. This is important as most concrete products shrink as they cure and you want to prevent that as much as possible.

Using a cold chisel and a 3 pound sledgehammer undercut the hole by making the pop out wider at the bottom than at the top. Using a wire brush brush clean the cracks and the holes. Mix a small portion. Water may be used to make sure that all loose concrete particles are removed.

Address any pop outs pop outs are small conical shape chunks of concrete that have popped out and left a hole behind. Fill the cracks and holes with concrete caulk. Don t skimp on cost. For that size vertical hole you may need to brace a board over the hole to hold in the patch until it dries.

If you have a wet dry vacuum this is a great place to use it. Clean the hole with a stiff fiber or wire brush. If this is a retaining wall you need to fix the problem ont he other side of the wall first. Don goggles and a respiratory mask.

Le the hole or the crack dry for quite some time. Wet down the holes with water for best patch adhesion. Vacuum any remaining dust or debris out of the hole. After hearing that i seriously considered just gluing a piece of plywood over it and calling it a day.

Dampen the hole and surrounding area with water using a spray bottle. It provides much better adhesion and curing of the patch. The only way to repair foundation wall cracks successfully is by the injection process. Injecting a typical wall crack with an epoxy or urethane resin is done under pressure pushing the material from the inside all the way to the outside.